Flynn Reservoir
Key Takeaway
Flynn Reservoir is classified as low hazard in Oregon. It was completed in 1949 and is 77 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 16 ft (taller than 20.1% in OR) |
| Dam Length | 520 ft |
| Dam Type | Earth |
| Max Storage | 252 acre-ft |
| Normal Storage | 252 acre-ft |
| Surface Area | 45 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 92 cfs |
| Year Completed | 1949 (77 years old) |
| NID ID | OR00195 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
JJF RANCH LIMITED PARTNERSHIP
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Flynn Reservoir?
Flynn Reservoir is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Flynn Reservoir?
Flynn Reservoir is owned by JJF RANCH LIMITED PARTNERSHIP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Flynn Reservoir built?
Flynn Reservoir was completed in 1949, making it 77 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Flynn Reservoir?
Flynn Reservoir serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Flynn Reservoir?
Flynn Reservoir has a dam height of 16 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Flynn Reservoir last inspected?
Flynn Reservoir was last inspected on August 14, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.